//
// Microsoft.TeamFoundation.VersionControl.Client.DiffItemVersionedFile
//
// Authors:
//	Joel Reed (joelwreed@gmail.com)
//
// Copyright (C) 2007 Joel Reed
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Collections;
using System.IO;
using System.Net;
using System.Text;
using System.Xml;
using System.Web.Services;

namespace Microsoft.TeamFoundation.VersionControl.Client
{
	public sealed class DiffItemVersionedFile : IDiffItem
	{
		private VersionControlServer versionControlServer;
		private string label;
		private Item item;
		private VersionSpec versionSpec;

		public DiffItemVersionedFile(Item item, VersionSpec versionSpec)
			{
				this.versionControlServer = item.VersionControlServer;
				this.item = item;
				this.versionSpec = versionSpec;
				this.label = item.ServerItem;
			}

		public DiffItemVersionedFile(VersionControlServer versionControl,
																 int itemId, int changeset, string displayPath)
			{
				this.versionControlServer = versionControl;
				this.item = versionControl.GetItem(itemId, changeset);
				this.label = displayPath;
			}

		public string GetFile ()
		{
			// this is a quite inefficient implementation, FIXME 
			string tname = Path.GetTempFileName();
			item.DownloadFile(tname);

			string file;
			using (StreamReader sr = new StreamReader(tname))
				{
					file = sr.ReadToEnd();
				}
			
			File.Delete(tname);
			return file;
		}

		public bool IsTemporary 
		{ 
			get { return true; }
		}

		public string Label 
		{ 
			get { return label; }
			set { label = value; }
		}

		public int GetEncoding()
		{
			return item.Encoding;
		}
	}
}
